Home / 1,336,261.23-2,004,178.49-389,410.47

Finding the Fourth Proportional to 1,336,261.23, 2,004,178.49 and 389,410.47

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Solution

The fourth proportional to 1,336,261.23, 2,004,178.49 and 389,410.47 is: 584,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,261.23 : 2,004,178.49 = 389,410.47 : x
  2. Step 2: Convert to fraction form
    1,336,261.23/2,004,178.49 = 389,410.47/x
  3. Step 3: Cross multiply
    1,336,261.23x = 2,004,178.49 × 389,410.47
  4. Step 4: Simplify right side
    1,336,261.23x = 780,448,085,807.74
  5. Step 5: Solve for x
    x = 780,448,085,807.74/1,336,261.23
  6. Step 6: Final answer
    x = 584,053.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.